TM9-2320-211-20-1
Table 1-1. organizational Preventive , Maintenance Checks and Services (continued).
A-Annually
B-Biennially
S-Semiannually
Item To Be
Interval
Item
Procedures
Inspected
SAB
No.
c. Check each tire for wear using tire tread depth gage as shown
below. Tread depth should not be less than 1 8".
d. Make sure all wheel lug nuts arc prcscnt and tight on each whccl
torque 450-500 lb-ft (610-678 N.m).
e. Inspect wheel side rings for dcnts. bends. or brcaks that could
cause them to pop off when tires are being inflated.
VEHICLE UNDERSIDE:
18
Frame and
u. Inspect frame side rails for cracks. breaks. bends.
cross memhers
wear. and deterioration.
b. Inspect crossmembers for missing rivets. bolts. obstructions to
other components. breaks. and wear,
19
Rear axles.
a. Inspect rear axle housings for dents. and cracks that could cause
differentials
leaks.
b. Insure axle housing grease fittings. plugs. and fittings are present
and secure.
c. Inspect differentials for dents and cracks that could cause leaks
d. Insure that differential fill plug (2) and drain plug (3) are not
leaking and are secure,
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